The types of muscle contractions you experience are the same no matter what your activity.

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of

The sea slug that considered to be a photosyntheesizing animal